US2847280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of selective mineral sorbents
Assignee: Texaco Inc
•
Filing: 1956-10-23
•
Granted: 1958-08-12
•
Expires: 1976-10-23
Abstract
No abstract record available.
Inventors
- 👤 John H Estes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:46
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; Y; Y10; Y10S; Y10S423/00; Y10S423/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A PROCESS FOR PRODUCTION OF SYNTHETIC CRYSTALLINE ZEOLITE CHARACTERIZED BY THE EMPIRICAL FORMULA
Claim 2
Dependent Claim
13 words
A PROCESS FOR PRODUCTION OF SYNTHETIC CRYSTALLINE ZEOLITE CHARACTERIZED BY THE EMPIRICAL FORMULA
References Cited (Backward Citations)
US1945838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |